Hydromax Booster Casting #2772114 | RV, Industrial & Automotive
SKU: 370062511
Multi-Chassis Grade
Restore your braking power with this brand new Hydromax brake booster, designed to replace units with Casting #2772114 or #0204745907. This is a heavy-duty, multi-fit unit engineered for GMC, Chevy, International, Freightliner, Ford Truck, Hino, Isuzu, and Volvo.
Specifically optimized for RV and Motorhome applications, this booster fits Fleetwood (Bounder, Southwind), Winnebago/Itasca (Suncruiser, Adventurer), Tiffin (Allegro Open Road), and Holiday Rambler (Vacationer). It is also widely used in John Deere equipment and Motor Graders.
RV & Motorhome Compatibility
| Spec Identifier | Detail | Application Note |
|---|---|---|
| Body Casting # | 2772114 or 0204745907 | Check for numbers stamped on your original unit. |
| Installation Type | Component Swap Required | Reuse original rod/motor. New grommet included. |
| Legacy Upgrades | SKU 529999 Required | Required for replacing older 1-pin flow switches. |
⚠ Critical Installation Info
- Pedal Rod Reuse: You must reuse your original pedal rod. A new pedal rod grommet and instructions are included.
- Hardware Verification: Mounting studs may differ. You may need to swap and reuse your original studs for a proper fit.
- Flow Switch: If replacing older Casting #2771424, 2771819, 2771293, or 2771371, you MUST purchase SKU 529999.
Core Return Program
$50 refund for your old core within 90 days.














